Diamonds are forever for over 60 years now

A diamond ranks a 10 on the Mohs scale for hardness. Taking its hardness as a sign of durability, a diamond is viewed as a proper symbol of an enduring commitment symbolized by an engagement ring.">But is the diamond engagement ring deeply rooted in tradition?

See http://www.examiner.com/examiner/x-18522-NY-Jewish-Bridal-Examiner~y2009m11d22-Diamond-engagement-ring-history